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Add OPW 2.19 changelog to docs#38154

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Add OPW 2.19 changelog to docs#38154
mikhacim wants to merge 6 commits into
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mikhacim/opw-2.19-changelog

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@mikhacim mikhacim requested a review from a team as a code owner July 14, 2026 17:54
@github-actions github-actions Bot added the Guide Content impacting a guide label Jul 14, 2026
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Preview links (active after the build_preview check completes)

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Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md
@buraizu buraizu self-assigned this Jul 14, 2026
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@maycmlee maycmlee assigned maycmlee and unassigned buraizu Jul 14, 2026

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Left some small edits and a couple of questions

Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Co-authored-by: May Lee <may.lee@datadoghq.com>

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Sorry missed this small edit

Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
Co-authored-by: May Lee <may.lee@datadoghq.com>
Comment thread content/en/observability_pipelines/guide/upgrade_worker.md Outdated
mikhacim and others added 2 commits July 14, 2026 16:32
Co-authored-by: May Lee <may.lee@datadoghq.com>
Co-authored-by: May Lee <may.lee@datadoghq.com>
- Fixed an issue in the Reduce processor where a timestamp field whose name requires quoting in a path (for example, `"created.at"` or `"event-time"`) had its `_end` companion field silently dropped from the reduced event. The companion field is now placed correctly next to the base field.
- Fixed a configuration reload issue. If a reload changed a component's type while keeping the same name, such as replacing a source named `X` with a processor named `X`, any downstream processor or destination still reading from `X` now reconnects to the new component.
- The Syslog source (TCP mode) has been fixed to handle an over-length, length-prefixed message split across multiple reads.
- The Logstash source has been fixed to acknowledge only completed windows instead of sometimes sending a partial acknowledgment.

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@mikhacim just some edits along the same lines as the other Logstash fix we updated.

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- The Logstash source has been fixed to acknowledge only completed windows instead of sometimes sending a partial acknowledgment.
- The Logstash source has been fixed to only send an acknowledgment when all events of a batch are received instead of sending a partial acknowledgment.

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